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Table 2 Activity of ALPs on phosphosubstrates.

From: A new family of phosphoinositide phosphatases in microorganisms: identification and biochemical analysis

  Specific Activity (nmoles PO4/min/mg)
Substrate MptpB LM1 Lmo1935 Lmo 1800
pNPP 46.94 ± 0.31 45.47 ± 1.52 57.47 ± 0.96 63.38 ± 0.71
   5' AMP 2.89 ± 0.55 0.34 ± 0.26 0.48 ± 0.02 6.71 ± 0.43
   5' IMP 3.35 ± 0.16 N.D 0.35 ± 0.03 3.90 ± 0.66
   P-Choline 0.63 ± 0.09 N.D 0.26 ± 0.05 0.58 ± 0.16
   P-Ethanolamine 0.51 ± 0.23 N.D 0.2 ± 0.02 0.37 ± 0.14
   Glycerol 2-phosphate 0.95 ± 0.26 N.D 0.12 ± 0.03 1.07 ± 0.57
   P-Ser 1.0 ± 0.12 3.17 ± 1.36 0.57 ± 0.21 N.D
   P-Thr 0.69 ± 0.05 N.D 0.42 ± 0.04 0.78 ± 0.34
   P-Tyr 6.48 ± 0.40 N.D 0.54 ± .04 9.68 ± 3.29
   NaP 1.24 ± 0.07 N.D 0.45 ± 0.1 0.15 ± 0.05
  1. Dephosphorylation of pNPP is shown as a reference.
  2. N.D, no activity detected.